From patchwork Wed Sep 30 15:30:23 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Hogan X-Patchwork-Id: 524829 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id C56A6140D69 for ; Thu, 1 Oct 2015 17:27:53 +1000 (AEST) Received: from localhost ([::1]:39781 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhYHP-0000Mz-AO for incoming@patchwork.ozlabs.org; Thu, 01 Oct 2015 03:27:51 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36199) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhJLA-0004Mt-He for qemu-devel@nongnu.org; Wed, 30 Sep 2015 11:30:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZhJL6-0006Vu-9E for qemu-devel@nongnu.org; Wed, 30 Sep 2015 11:30:44 -0400 Received: from mailapp01.imgtec.com ([195.59.15.196]:21775) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZhJL6-0006VF-0C for qemu-devel@nongnu.org; Wed, 30 Sep 2015 11:30:40 -0400 Received: from KLMAIL01.kl.imgtec.org (unknown [192.168.5.35]) by Websense Email Security Gateway with ESMTPS id 30F0C3F752FF; Wed, 30 Sep 2015 16:30:36 +0100 (IST) Received: from LEMAIL01.le.imgtec.org (192.168.152.62) by KLMAIL01.kl.imgtec.org (192.168.5.35) with Microsoft SMTP Server (TLS) id 14.3.195.1; Wed, 30 Sep 2015 16:30:39 +0100 Received: from jhogan-linux.le.imgtec.org (192.168.154.110) by LEMAIL01.le.imgtec.org (192.168.152.62) with Microsoft SMTP Server (TLS) id 14.3.210.2; Wed, 30 Sep 2015 16:30:38 +0100 From: James Hogan To: Date: Wed, 30 Sep 2015 16:30:23 +0100 Message-ID: <1443627027-2193-4-git-send-email-james.hogan@imgtec.com> X-Mailer: git-send-email 2.4.9 In-Reply-To: <1443627027-2193-1-git-send-email-james.hogan@imgtec.com> References: <1443627027-2193-1-git-send-email-james.hogan@imgtec.com> MIME-Version: 1.0 X-Originating-IP: [192.168.154.110] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 195.59.15.196 Cc: James Hogan , Leon Alrae , Aurelien Jarno , Richard Henderson Subject: [Qemu-devel] [PATCH 3/7] tcg/mips: Add use_mips32r6_instructions definition X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add definition use_mips32r6_instructions to the MIPS TCG backend which is constant 1 when built for MIPS release 6. This will be used to decide between pre-R6 and R6 instruction encodings. Signed-off-by: James Hogan Cc: Richard Henderson Cc: Aurelien Jarno Reviewed-by: Richard Henderson --- tcg/mips/tcg-target.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h index f5ba52cacfe5..e579c10b9aaa 100644 --- a/tcg/mips/tcg-target.h +++ b/tcg/mips/tcg-target.h @@ -96,6 +96,13 @@ extern bool use_mips32_instructions; extern bool use_mips32r2_instructions; #endif +/* MIPS32R6 instruction set detection */ +#if defined(__mips_isa_rev) && (__mips_isa_rev >= 6) +#define use_mips32r6_instructions 1 +#else +#define use_mips32r6_instructions 0 +#endif + /* optional instructions */ #define TCG_TARGET_HAS_div_i32 1 #define TCG_TARGET_HAS_rem_i32 1